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Դzhanqunjishuduange    ʱ䣺2019-11-13 20:01:42  ֺţ С     

10Learning without thought is useless; thought without learning is dangerous.

ǰ˷˽䡣5分彩开奖记录3It is harder to conceal ignorance than to acquire knowledge.˿ٷ

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9Knowledge without practice makes but half an artist.6Without learning, without eyes.˿ٷ




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